PostHog
94 · HealthyProduct analytics suite with event tracking, session replay, feature flags and experiments.
Open source alternatives to Amplitude
3 open source projects replace Amplitude, ranked by how safe each is to depend on.
OpenPanel
78 · StableWeb and product analytics in one tool: page views, events, funnels, retention and user profiles.
Aptabase
53 · CautionPrivacy-first usage analytics for mobile, desktop and web apps, with small SDKs and no personal data collected.
Source-available and unverified licenses
The code for these is public, but the license is not an OSI open source license, or we have not verified it yet. Check the license notes on each project before relying on it.
Countly
88 · HealthyProduct analytics for web, mobile and desktop apps, with crash reports, push notifications and in-app surveys.
At a glance
Health and license are separate verdicts: a project can be well maintained and still not be open source.
| Project | Health | License | Stars |
|---|---|---|---|
| PostHog | 94 · Healthy | Free core, paid extrasMIT | 40k |
| OpenPanel | 78 · Stable | Free, share hosted changesAGPL-3.0 | 7.1k |
| Aptabase | 53 · Caution | Free, share hosted changesAGPL-3.0 | 1.8k |
| Countly | 88 · Healthy | Free with conditionsAGPL-3.0 + extra terms | 5.9k |
More in Analytics
Amplitude is a paid analytics product. See all open source analytics tools, ranked the same way.
Scores last refreshed from GitHub on 9 October 2026. How we score.